A written document describing the findings of some individual or group(noun)
WordNet. Princeton University. 2010.
Use "written report" in a sentence
"“Last paragraph of … your signal … is improper and such observations must not be repeated,” he thundered, adding, “Their Lordships await your written report and dispatches before coming to any conclusion.”"
"Undated written report of Commander W. J. Sebald, COMINT aide to Fleet Admiral Ernest J. King, Chief of Naval Operations, folder 5830/6, RG 38, Station US papers, declassified January 28, 1995, MMRB, Archives II."
"Taken in association with the written report presented to the exhibition, they tell many a story of how single individuals setting to work with heart and mind, and pursuing the effort with courage and tact, can conquer the obstacles presented by an isolated and resourceless district, by an ignorant and untrained population, by an apathy and idleness arising mainly from the want of hopeful inspiration and skilled guidance."